Terminal block



April e, d1926. 1,579,400

M. M. SAMUELS TERMINAL BLOCK Filed June 5, 1923 wuentoz Patented Apr. 6, 1926,.

UNITEDFSTATss ,l A 1,519,400 PATENT OFFICE.

.MAURICE M. sAMUELs, oF'NEw Yonx, N. Y.,'AssIGNoR 'ro :ROBERT v. DUNBAR, or

BoUNn'Bnoox, NEW JERSEY.

v TERMINAL BLOCK.

applicati@ mea nine s, 1923.` seria; mi. 643,533.'

To all whom t may concern.'

Be it known that I, MAURICE M. SAMUE-Ls,

a citizen of the United States, and resident of the city of New York, inthe county of New York and State of New York, have invented certain new and useful Improvements in Terminal Blocks, of .which the following is a specification. This invention has to do with a new terminal block as used in connection with switchboards, control circuits for switching apparatus andsimilar electrical circuits. I v In the preferred embodiment the new terminal block consists of a base of insulating p and are separatedfrom each other by barriers running parallel to them and forming with the terminal block one single moulding. Across the terminal block is fastened a labelin plate preferably of insulating material.' 5y suitable inscription on this labeling plate thevarious wires and cables ruiming to the -terminal board may be easily identified, which feature isespecially useful for testing and repair work.

In order to simplify the fastening of the labeling plate tohthe terminal block, there are grooves preferably of dovetail shape provided in the barriers across the terminal base in which the labeling plate maybe inserted.

In another preferred form of the invention there is also a common barrier provided which separatesall the binding posts and interconnects' all 'the individual barriers. between terminal plates. This form is mechanically stronger, and is therefore 'especially suitable for large and extended terminal boards.

All details in connection with the new terminal block will now be described in detail on' reference to the accompanying drawings in whichz.;

Figure I is a plan view, Figure II is a cross section,

Figure III is a lon itudinal section of one form of the terminal' lock, while Figure IV is a. plan View, and e Figure V is a transverse section of another form of the terminal block.

The terminalblock embodying this invention includes aplate or block l of insulating material into .which are moulded the terminal platesv'2 preferably of brass or copper. These terminal plates are provided with holes '3 which coincide with tapped holes 4 in the hexagonal nuts 5 which in turn lare soldered to the terminal plates 2 before the moulding into the block 1y takes place. The individual -wires v6 or 7 andvv8 are fastened to the terminal plates by 'means of .the I cap screws 9 and washers 10 whichform the binding posts with the nuts 5.'1 Barriers 11 which 'are moulded together with the block 1 extend over the whole Width of the terminal block l and run parallel to the terminal lates 2. These barriers 11 are provided with -slots 12 preferably ofa dovetail form as shown in Figure II. A plate 13 may be inserted in these slots 12 a-nd if necessary more securely fastened to the terminal block by means of screws 14. These screws 14 may be however omitted entirely. This plate 13 serves asa label for the individual wires 6, 7, 8 and in addition as a means to identify the cable to which the single wires belong. (See Fig. I.)4

In another form as shown in Figures IV and V the individual barriers l1 are joined together yby a solid barrier wall l5, by which all the binding. posts onone'side of the terminal board are separated from those on the opposite side. 'This barrier V15 forms also with terminal block 1 and barriers 11 one single moulding and improves the mechanical strength of the wholef moulding andis therefgre preferred with an increas ing number of terminal plates.

With' this form additional fastening screws 14 for the labeling plate 13 are not` shown since the single slot in barrier 15 is considered sufficient to hold the labeling plate'in place. The spaces between individual barriers with the form as per Fig.-

i ter hold for the terminal plates 2. In order to fasten the terminal board 1 to a surface, countersunk holes 18 are moulded in the block, .in which screws may be inserted. The number of terminal plates as shown in the drawings is four, but this number could be increased eventually to 24 or more, especially with the form as shown in Figure IV.

ure IV are narrower at the wire entrance V "1.6 and larger at the fastening points for llt) tion between said partitions and beneath said ridge member, said terminal strips hav? ing exposed-ends in the inner portions of'. I the recesses between said partitions.

2. A terminal vblock comprising a solid body of molded insulation," liavinga longitudinal ridge member havingI means for carrying a marking strip, a series of -transverse partitions and a 'series of .terminal strips embedded in said insulation between said partitions and beneath said ridge member, said terminal strips having exposed 4ends inthe inner. portions of the recesses between said partitions, and binding means for fastening terminals to the exposed ends of said strips.

3. terminal block comprising4` a solid body `of molded insu-lation of generally reetangular shape having a .Series of transverse partitions. extending` in the direction ofthe short dimension of the rectangle, a central longitudinal marking strip extending across the upper surfaces of said partitions, a series of terminal strips between said partitions and fastened -in place between said partitions by the molding of the solid block of insulation, and binding means for fastening terminals to the exposed. ends of said strips.

l body of molded insulation having end supterminal block comprising a solid porting means, va longitudinal ridge member having means for carrymg a marking strip, a series of transverse partitions, and a series of terminal strips-embedded in said insulation'between said partitions and beneath said lridge member, said terminal stripshaving exposed ends' inthe inner porvtions of the'recesses between said partitions.

5.5A'` terminal block comprising a solid body of molded insulation-having end supporting means, a longitudinal ridge member having means for carrying a marking strip, -a' series of transverse partitions, and

a series of terminal'strips embedded in said insulation between saidpartitions and beneath said ridge member, said terminal stnipshaving exposed ends in the inner porl tions of the recessesbetween said partitions,

and binding means for fastening terminals -to the exposed ends of said strips.

6. A terminal block .comprising a solid body of molded insulation of generally rectangular shape havingY upwardly extending ends serving assupports, a series of transsaid. partitions and fastened in place be-` tween said partitions by the-molding of the solidblock of insulation, and binding4 means for fasteninolterminals to the exposed ends of said strips..

Signed gat New York, in the county ot New York, and .Staterof New York, this 13th day of June, A. D. 1928.

MAURICE M. 'sAMUnLs -verse partitions extending' in the direction 

